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T
TRIANGLE TRUSS
A triangular shaped truss such as that used for radio towers. Triangle truss has the disadvantage over box truss that instrumentation must be struck from the truss before it can be loaded into a truck.
TRIPE (BUNDLE)
Bunch of cables tied or taped together into a single unit.
TROFFER
A recessed luminair that is installed in the plenum with the opening flush with the ceiling. Typically rectangular or square in shape, as in a 2-foot by 4-foot luminair.
TRS
- Tough Rubber Sheath. Jargon for any Rubber-sheathed mains cable.
- Tip Ring Sleeve. The three contacts on a stereo jack audio connector.
TRUNKING
Metal or plastic wall-mounted enclosure for cables. Box shaped in cross-section.
TRUNNION ARM
U-shaped bracket between the hook clamp and the main body of a lighting instrument, enabling it to be tilted to any angle.
TRUSS
- A framework of alloy bars and triangular cross-bracing (usually of scaffolding diameter) providing a rigid structure, particularly useful for hanging lights where no permanent facility is available. Very often box-shaped in cross section, so known as BOX TRUSS. This type of truss is useful for touring as lanterns / speakers etc can be hung inside the truss which protects them when loading and takes up less space in the truck.
- A steel or aluminum structure used for rigging stage lighting instruments, scenery, or other equipment for temporary use.
TRUSSING
A Steel or aluminum frame work that is designed to support staging and lighting. usually supplied in a modular form.
TUNGSTEN HALOGEN
A standard tungsten filament lamp loses its brightness in its' lifetime. Tungsten Halogen lamps use a Quartz envelope ("bulb") filled with halogen gas to give an almost constant color temperature.
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